Blackfiber
Blackfiber_Communications_Corporation
Registry
Cluster stats
| Netblocks | 12 · 2,040 IPv4 addresses |
| Registered in | Philippines (10) · Singapore (1) |
| Cluster ID | 208806239 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
12
0 netblocks since 2026-07-05
2026-07-05
peak 12
2026-07-19
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 27.111.231.80/32 | Blackfiber | PEERINGDB | ASSIGNED | ● high |
| 61.245.0.125/32 | Blackfiber | PEERINGDB | ASSIGNED | ● high |
| 103.104.19.152/32 | Blackfiber | PEERINGDB | ASSIGNED | ● high |
| 2001:ded:4000::5:9322:1/128 | Blackfiber | PEERINGDB | ASSIGNED | ● high |
| 43.247.16.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 43.247.17.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 43.247.18.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 43.247.19.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.225.36.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.225.37.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.225.38.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.225.39.0/24 | Blackfiber_Communications_Corporation | APNIC | ALLOCATED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(12 of 12)
No discrepancies found among checked blocks.
NIC Handles
AB1404-AP
AS59322
BFSC1-AP
BFSC1-AP
MAINT-BFSC-PH